Friction Clutches TRIZ Cases

A universal clutch housing member uses adjustable mounting holes and pilot surfaces to accommodate various fan sizes.

Radially expanding the wedge plate minimizes frictional drag during free-wheel operation while ensuring reliable torque transmission in locking mode.

A damper device uses projected and recessed seat surfaces to create a twist-dependent void that isolates contact points.

Segmented bracket barbs constrain axial pressure plate travel, preventing flywheel damage and bracket warping from over-adjustment forces.

A dry dual clutch integrates a fan impeller into the central disk and pressure plates to actively cool friction surfaces.

Radial projections on the clutch pressure plate edge center the lever spring plate while creating gaps for debris removal.

Asymmetric window clearance activates distinct elastic member sets to optimize vibration damping across forward and reverse directions.

Segmented support plate design distributes axial forces across thicker protruding portions to enhance structural stiffness.

Axial displacement of the locking piston prevents premature disengagement caused by transmission fluid forces during coasting.

Dynamic lever ratio adjustment reduces peak actuator torque, lowering power consumption and enabling smaller motor designs.

Segmenting coupling into guide washer recesses and hysteresis washer protrusions eliminates fragile wedge-shaped flanges for easier manufacturing.

A clutch wear compensation mechanism uses a pivoting nut linked to the pressure plate to drive a threaded rod.

Wear liners protect aluminum baskets while thin friction disks increase plate count within fixed height constraints.

A clutch friction material uses a layered carbon structure to stabilize torque transmission and reduce vibration during mode switching.

A detachable bearing washer separates from the clutch cover to absorb diaphragm forces, resolving wear compensation reliability against cover mechanical stress.

Dual mounting hole sets in a single housing member replace multiple inventory types, reducing manufacturing costs for vehicle cooling fans.

Iterative candidate selection identifies affected program components, eliminating false-positive errors in change-impact analysis.

Hybrid coupling assembly replaces mechanical damping with hydrodynamic bearings, reducing oil consumption and fluidic drag while maintaining stability.

Locking hook secures torsion spring to pressure plate, preventing overlap and unintended release during wear compensation.

Planar guide surfaces on centrifugal clutch holders reduce wear in bent regions by isolating contact areas from structural loads.

Deflectable resilient portion connected via circumferential tab reduces drag torque while maintaining structural integrity under burst speeds.

Segmented cam portions on the clutch center and pressure plate increase stiffness by eliminating die holes while reducing component count.

Roll-forming splines and coining interfaces eliminates interrupted cut burrs, removing deburring steps.

Axial fan on transmission shaft disperses cooling air between clutch plates to reduce heat without increasing vehicle weight.

Segmenting clutch capacity via a lifter plate cuts off sub spring force, reducing shift shock without complex continuous control mechanisms.

A flexible pressure plate with ramps and Belleville springs enables automatic centrifugal engagement based on engine speed.

One-way clutch absorbs torsional vibrations between output and transmission shafts, reducing radial stress on bearings to enhance durability.

Segmented carbon and paper friction members prevent chattering and sudden slip at low temperatures.

Integrating a deflected spline into the clutch member eliminates separate springs, reducing assembly complexity and drag.

A copper-free friction material uses steel fibers, alumina, chromite, and aluminum to stabilize friction properties.

Forming spline teeth on a flat strip avoids complex cylindrical cutting, reducing manufacturing cost and improving flexibility.

Adjustable axial fitting with circumferential clamping eliminates knocking noises from tolerance variations in vehicle drivetrain couplings.

Radial spring stiffness tuning sets natural frequencies in a double path damper, reducing vibration amplitude across various frequencies.

Radial air passageways in the intermediate ring cool plate springs, preventing thermal deterioration of cushion rings and maintaining half-clutch range.

A clutch device uses supercharging compressor air for active cooling.

A clutch pressure plate encloses additional friction plates within the drum cavity to increase torque capacity.

A diaphragm clutch uses a prestressed elastic annular member to maintain contact with the rigid structure through elastic deformation.

Segmented struts engage locking formations via springs to prevent rotation, reducing lubricating fluid requirements in automatic transmissions.

A clutch control device synchronizes rotational speeds before engaging a dog clutch to ensure reliable power transfer.

Axial hooks engage the coupling lid to support the tool, reducing size and resolving bulky design constraints during clutch maintenance.

Carrier recesses accommodate rivet heads axially, increasing wear volume while maintaining replaceability without expanding axial space.

Curved pawl and ratchet teeth increase contact area to reduce stress, allowing fewer components while maintaining torque transmission.

Hydraulic pressure engages a damper bypass clutch to generate friction torque, reducing driveline disturbances during engine startup.

Elastic elements mounted on clutch plates maintain axial separation between interleaved input and output discs during disengagement.

Adjustable diaphragm pressure plate manages centrifugal force to resolve automatic engagement versus manual override contradiction.

A locking sleeve engages a plate clutch assembly to form positive coupling between primary and secondary output shafts.

Segmented housing with rotatable indexing aligns splined teeth automatically, resolving the trade-off between assembly speed and structural complexity.

Ramp system and sensor detect wear to adjust pressure plate position, preventing unintended displacement during transport.

A wet friction material uses fibrillated nanofibers and friction adjusting particles to resist glazing and maintain reliable performance above 350°C.

A friction device integrates disks into a cage casing to transmit torque without form-fitting connections.